The department's Central Business Registry and ORESTAR, the state's online campaign finance reporting system, were temporarily taken offline as a precaution after officials detected "an intrusion" late Tuesday or early Wednesday.

"A review of our online payment systems has confirmed that none of them store full credit card information," said a press release from the agency. "Further, we believe no credit card information has been compromised."

Information on the two databases is usually publicly available. Users can also input credit card information into the sites to pay annual business registration fees or elections filing fees.

The breach was reported to the Oregon State Police. Agency officials continue to investigate, though spokesman Tony Green said Thursday's snow "created some logistical problems" in limiting the mobility of staff.